-er -ey ddd dde ddi ddo ddp ddr dds ddt ddy de- ded dee dei deo dep der des det dey di- did die dii dio dip dir dis dit diy dod doe doi doo dop dor dos dot doy dpd dpe dpi dpo dpp dpr dps dpt drd dre dri dro drp drr drs drt dry dsd dse dsi dso dsp dsr dss dst dsy dtd dte dti dto dtp dtr dts dtt dty dy- dyd dye dyo dyp dyr dys dyy ed- edd ede edi edo edp edr eds edt edy eed eee eeo eep eer ees eet eey eid eie eii eio eip eir eis eit eo- eod eoe eoi eoo eop eor eos eot ep- epd epe epi epo epp epr eps ept erd ere eri ero erp err ers ert ery es- esd ese esi eso esp esr ess est esy etd ete eti eto etp etr ets ett ety eyd eye eyo eyp eyr eys eyt i-d idd ide idi ido idp idr ids idt idy ie- ied iee iei iep ier ies iet iey iid iie iii iio iip iir iis iit io- iod ioe ioi ioo iop ior ios iot ipd ipe ipi ipo ipp ipr ips ipt ipy ir- ird ire iri iro irp irr irs irt iry is- isd ise isi iso isp isr iss ist isy itd ite iti ito itp its itt ity iye iyo iyr iys iyt iyy o-i odd ode odi odo odp odr ods odt oed oee oei oeo oep oer oes oet oey oid oie oii oio oip oir ois oit oo- ood ooi ooo oop oor oos oot op- opd ope opi opo opp opr ops opt opy or- ord ore ori oro orp orr ors ort ory os- osd ose osi oso osp osr oss ost ot- otd ote oti oto otp otr ots ott oyd oye oyi oyo oys p-p pdd pde pdi pdo pdp pdr pds pdt ped pee pei peo pep per pes pet pey pid pie pii pio pip pir pis pit pod poe poi poo pop por pos pot poy ppd ppe ppi ppo ppp ppr pps ppt prd pre pri pro prp prr prs prt pry ps- psd pse psi pso psp psr pss pst psy pt- ptd pte pti pto ptp ptr pts ptt pty py- pyd pye pyo pyr pys pyt rdd rde rdi rdo rdp rdr rds rdt rdy re- red ree rei reo rep rer res ret rey rid rie rii rio rip rir ris rit riy rod roe roi roo rop ror ros rot roy rpd rpe rpi rpo rpp rpr rps rpt rrd rri rrp rrr rrs rrt rsd rse rsi rso rsp rsr rss rst rtd rte rti rto rtp rtr rts rtt rty ry- ryd rye ryo ryr rys ryy sdd sde sdi sdo sdp sdr sds sdt sdy se- sed see sei seo sep ser ses set sey sid sie sii sio sip sir sis sit sod soe soi soo sop sor sos sot soy spd spe spi spo spp spr sps spt spy sr- srd sre sri sro srp srr srs srt sry ss- ssd sse ssi sso ssp ssr sss sst std ste sti sto stp str sts stt sty sy- syd sye syi syp syr sys syt tdd tde tdi tdo tdp tdr tds tdt tdy te- ted tee tei teo tep ter tes tet tey tid tie tii tio tip tir tis tit tiy to- tod toe toi too top tor tos tot toy tpd tpe tpi tpo tpp tpr tps tpt trd tre tri tro trp trr trs trt try tsd tse tsi tso tsp tsr tss tst tsy ttd tte tti tto ttp ttr tts ttt tty tyd tye tyo typ tyr tys tyt yde ydo yds ydt ydy yed yee yei yeo yep yer yes yet yey yid yie yii yio yip yir yis yit yod yoe yoi yoo yop yor yos yot yoy ypd ypo yps yre yro yrp yrs yrt yse ysi yso ysp ysr yss yst ysy ytd yte yto ytp ytr yts ytt yye yys yyt yyy